package com.helen.springcloud.dao;

import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;

/**
 * @author yanghl
 * @Description:
 * @date 2022/9/4 10:51
 */
@Mapper
public interface StorageDao {

    void decrease(@Param("productId") Long productId, @Param("count") Integer count);

}

